
 use "Data for Replicating Table 3 Negative binomial regressions predicting the number of bids on a project.dta"


eststo clear
nbreg Bids pla2 c.Lowest_Bid_millions##c.Lowest_Bid_millions  c.month##c.month  ib2009.year ib1.college2  , robust dispersion(mean)
eststo
esttab using table3.rtf,  title("Predicting Number of Bids by Project Size, Year, Month, College District and PLA/non-PLA") ///
star(* 0.10 ** 0.05 *** 0.01) not label varwidth(30)  modelwidth(12) wide mtitles( Poisson "OLS log(bids)" "Neg Binomial" ) replace 

